1 Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland.
2 Department of Thoracic Medicine and Surgery, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania.
3 Division of Pulmonary and Critical Care Medicine, Department of Medicine, Minnesota University School of Medicine, Minneapolis, Minnesota.
4 Comprehensive Smoking Treatment Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
5 Division of Pulmonary Medicine, Department of Pediatrics, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas.
6 American Thoracic Society, New York, New York.
7 Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mount Auburn Hospital/Beth Israel Lahey Health, Cambridge, Massachusetts; and.